[{"a":"名称1","b":200,"c":100,"d":100},
 {"a":"名称1","b":200,"c":100,"d":200},
 {"a":"名称1","b":100,"c":100,"d":100},
 {"a":"名称2","b":100,"c":300,"d":100}, 
 {"a":"名称3","b":200,"c":300,"d":200},
 {"a":"名称3","b":300,"c":100,"d":100},
 {"a":"名称2","b":200,"c":100,"d":100},
 {"a":"名称3","b":200,"c":100,"d":100}
]